 Characteristics  Inguinal dissection ()  Axillary dissection ()  value 
 Sentinel node     Macrometastasis  18 (28.6%)  13 (31.7%)  0.772  Micrometastasis  44 (69.8%)  22 (53.7%)  0.106  Immunohistochemical  1 (1.6%)  6 (14.4%)  0.01  Total nodes (mean ± SD)  11.45 (±4.9)  19.76 (±10.8)  <0.001  Median of total nodes  11  18  —  Positive nodes (mean ± SD)  1.93 (±3.25)  2.12 (±3.27)  0.722  Median of positive nodes  1  1  —  % of positive nodes (mean ± SD)  16.84 (±24.56)  14.37 (±24.87)  0.615  Recurrence rate  53 (84.1%)  26 (63.4%)  0.016  Mean time to recurrence (months)  28.9 (±24)  34 (±27.7)  0.206  Site of recurrence     Local or in transit  13 (20.6%)  6 (14.6%)  0.887  Nodal  16 (25.4%)  7 (17.5%)  0.764  Distant  42 (66.7%)  22 (53.7%)  0.567  Mortality  43 (68.3%)  20 (48.8%)  0.047 

